rave-sp.h 1.4 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * Core definitions for RAVE SP MFD driver.
  4. *
  5. * Copyright (C) 2017 Zodiac Inflight Innovations
  6. */
  7. #ifndef _LINUX_RAVE_SP_H_
  8. #define _LINUX_RAVE_SP_H_
  9. #include <linux/notifier.h>
  10. enum rave_sp_command {
  11. RAVE_SP_CMD_GET_FIRMWARE_VERSION = 0x20,
  12. RAVE_SP_CMD_GET_BOOTLOADER_VERSION = 0x21,
  13. RAVE_SP_CMD_BOOT_SOURCE = 0x26,
  14. RAVE_SP_CMD_GET_BOARD_COPPER_REV = 0x2B,
  15. RAVE_SP_CMD_GET_GPIO_STATE = 0x2F,
  16. RAVE_SP_CMD_STATUS = 0xA0,
  17. RAVE_SP_CMD_SW_WDT = 0xA1,
  18. RAVE_SP_CMD_PET_WDT = 0xA2,
  19. RAVE_SP_CMD_RMB_EEPROM = 0xA4,
  20. RAVE_SP_CMD_SET_BACKLIGHT = 0xA6,
  21. RAVE_SP_CMD_RESET = 0xA7,
  22. RAVE_SP_CMD_RESET_REASON = 0xA8,
  23. RAVE_SP_CMD_REQ_COPPER_REV = 0xB6,
  24. RAVE_SP_CMD_GET_I2C_DEVICE_STATUS = 0xBA,
  25. RAVE_SP_CMD_GET_SP_SILICON_REV = 0xB9,
  26. RAVE_SP_CMD_CONTROL_EVENTS = 0xBB,
  27. RAVE_SP_EVNT_BASE = 0xE0,
  28. };
  29. struct rave_sp;
  30. static inline unsigned long rave_sp_action_pack(u8 event, u8 value)
  31. {
  32. return ((unsigned long)value << 8) | event;
  33. }
  34. static inline u8 rave_sp_action_unpack_event(unsigned long action)
  35. {
  36. return action;
  37. }
  38. static inline u8 rave_sp_action_unpack_value(unsigned long action)
  39. {
  40. return action >> 8;
  41. }
  42. int rave_sp_exec(struct rave_sp *sp,
  43. void *__data, size_t data_size,
  44. void *reply_data, size_t reply_data_size);
  45. struct device;
  46. int devm_rave_sp_register_event_notifier(struct device *dev,
  47. struct notifier_block *nb);
  48. #endif /* _LINUX_RAVE_SP_H_ */